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WIRING DIAGRAMS (CONTINUED)
Notes:
This symbol indicates the element
is optional,the actual shape shall
be prevail.
RED
L
CN1
CN2
CN3
CN6
CH1
Ferrite bead
COMP
FAN1
CH2
Ferrite bead
CH2
Y/G
DCFAN2
DCFAN1
Y/G
CODE
PART NAME
CN1~CN3
Input: 230VAC High voltage
P7~P8
Output: 230VAC High voltage to IDU
P5,P6,P9
Connection to the earth
CN22
Output:-24VDC-24VDC for IDU Communication
CN17~CN18
Output: 230VAC High voltage 4 way valve
CN19~CN20
Output: 230VAC High voltage Chassis Crankcase Heater
CN24~CN25
Output: 230VAC High voltage Compressor Crankcase Heater
CN2~CN4
Output: 230VAC High voltage to AC CURRENT DETECTOR
CN12
Input: Pin1 (0-5VDC),Pin2 (5VDC) Heatsink Temperature Sensor
CN8
Input: Pin1 (0-5VDC),Pin2 (5VDC) Compressor Top Sensor(PAIQI)
CN9
Input: Pin3,Pin4 (5VDC),Pin2 (0VDC),Pin1,Pin5 (0-5VDC) the ambient sensor and pipe sensor
CN10
Input: Pin2, Pin4 (0VDC),Pin1,Pin3 (0-5VDC) for the H/L pressure switch
CN15
Output: Pin1-Pin4: Pulse waveform (0-12VDC),Pin5, Pin6 (12VDC) EEV
CN6
Output: Pin1-Pin6: Pulse waveform (0-5VDC), Pin7, Pin9 (0VDC) Pin8 (0-5VDC), Pin10 (5VDC)
CH2
D
Ferrite bead
CH2
CN4
RED
Ferrite bead
CN2
BLUE
RED
BLACK
10
CN9
2
3
CON1
CN1
3
3
FAN1
FAN2
Fig. 6 – Wiring Diagram − Size 48K
OUTDOOR UNIT MAIN BOARD
WIRING DIAGRAM (OUTDOOR UNIT)
P5
P6
CN3
CT1
CN1
BLUE
MAIN BOARD
/BLACK
P7
P8
RED
P9
CN22
CN20
BLACK
CN19
ORANGE
CN25
CN6
CN24
ORANGE
BLUE
CN18
CN17
BLUE
T3
T4
CN28
CN31
CN36
CN32
CN27
CN34
YELLOW
RED
10
Ferrite bead
Y/G
XT2
Y/G
OPTIONAL
OPTIONAL
HEAT_D
RED
HEAT_Y
OPTIONAL
4-WAY
SV
XT2 S1 S2
Ferrite
bead
TO INDOOR COMM. BUS
NOTE
shielded wire.
2
Please use 2-core
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